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Current Energy Code Status

Residential Commercial
Current State Code 2024 IECC 2024 IECC and ASHRAE 90.1-2022
State Amendments Yes Yes
Equivalent Code* 2021 IECC 90.1-2019
Amendments Efficiency Impact
(Compared to Model Adopted Code)
0.00% 0.00%
Effective Date
Enforcement Mandatory Statewide Mandatory Statewide
Can use COMcheck / Rescheck Yes Yes

*Equivalent Code is based on a quantitative analysis of the state code with amendments as displayed in the Residential and Commercial Status of State Energy Code Maps.

State Certifications

Federal law directs states to review and update their building energy codes regarding energy efficiency and submit related certifications. The following is the most recent certification submitted by the state.

States are required by statute to submit certifications within 2 years of the publication of an affirmative determination of a new model energy code. Learn more about the statutory requirements.

Most Recent Submitted Certification

Model Energy Code Impacts

Key metrics related to incremental construction costs and consumer energy cost savings.

Energy and Economic Impacts

Model Energy CodeMeasureEnergy Cost Savings
Residential Statewide Impact 
Potential (2024 IECC)
Incremental First Cost of 2024 IECC ($/home)$ 51
Annual Energy Cost Savings ($/home)$ 182
Annual Energy Savings (kBtu/home)5,167 
30 year Life Cycle Cost (LCC) Savings ($/home) $ 4,115
Simple Payback Period (years)0.3
Housing Starts (15 year average)**10,852 
Statewide Total Incremental Cost Impact ($)$ 553,452
Statewide First Year Energy Cost Savings  ($)$ 1,975,064

** Based on 2020 U.S Census, American Housing Survey 15 year average housing starts

Contacts

Primary Contact for State Adoption
Robert S. Austin
Position Title
Code Specialist, New Jersey Department of Community Affairs
Organization
Division of Codes and Standards
Address

101 S. Broad St.
P.O. Box 802
Trenton, NJ 08625-0802
United States

Telephone
Email Address
State Agency Office Head
Edward Smith
Position Title
Director, Department of Community Affairs
Organization
Division of Codes and Standards
Address

101 S. Broad St.
P.O. Box 802
Trenton, NJ 08625-0802
United States

Telephone